S42.355
⚠ Non-billable (Header)Nondisplaced comminuted fracture of shaft of humerus, left arm
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for S42.355
Child Codes (7)
S42.355ANondisplaced comminuted fracture of shaft of humerus, left arm, initial encounter for closed fractureS42.355BNondisplaced comminuted fracture of shaft of humerus, left arm, initial encounter for open fractureS42.355DNondisplaced comminuted fracture of shaft of humerus, left arm, subsequent encounter for fracture with routine healingS42.355GNondisplaced comminuted fracture of shaft of humerus, left arm, subsequent encounter for fracture with delayed healingS42.355KNondisplaced comminuted fracture of shaft of humerus, left arm, subsequent encounter for fracture with nonunionS42.355PNondisplaced comminuted fracture of shaft of humerus, left arm, subsequent encounter for fracture with malunionS42.355SNondisplaced comminuted fracture of shaft of humerus, left arm, sequela
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CodeS42.355
BillableNo — Header code
ParentS42.35
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)